The pressure should not be painful or uncomfortable - don't try to bore a hole into your arm!
压力不应该是痛苦或不舒服的-不要试图孔孔到你的手臂！
This would assist the drilling of a bore hole into the mine, to take a gas reading from near where the miners are.
这将有利于向煤矿下钻孔，来读出矿工所在位置附近的气体指数。
Obtain to concern small bore a hole with the first inventor board the invention of the respect is patent.
以第一发明人获得一项有关微穿孔板方面的发明专利。
With the development of oilfield and a great use of well-bore tools, such fishing technology will have a wide prospect applied to the more and more complex conditions of down-hole operations.
随着油田的深入开发，井筒工具的大量使用，井下作业越来越复杂，该项打捞技术具有广阔的应用前景。
This machine bed can pack to the head of clip-drill and the drills with many bore, making drill a hole more convenient.
本机床可装钻夹头和多孔钻座，使钻孔时更加方便。
The guided drilling system includes a drill string configured to continuously and accurately bore a hole in the ground without the need to periodically break the connection of the drill string.
该定向钻探系统包括一根构成能连续地和精确地在地面上钻孔并且无需周期地断开其连接的钻杆柱。
This drill the census that machine be applicable to solid mineral bed explores and work. The distance geology investigates etc, drills a hole and every kind of concrete construction Check bore.
本钻机适用于固体矿床的普查勘探及工程地质勘察等钻孔以及各种混凝土结构检查孔。
The utility model relates to a hexagonal junction box for a cold blender, comprising a body, wherein one end of the said body is provided with a hexagonal bore, and the other end a cylindrical hole.
本实用新型涉及冷弯机六角连轴器，包括本体，所述本体的一端设有内六 角形孔，另一端设有圆柱孔。
The utility model relates to a hexagonal junction box for a cold blender, comprising a body, wherein one end of the said body is provided with a hexagonal bore, and the other end a cylindrical hole.
本实用新型涉及冷弯机六角连轴器，包括本体，所述本体的一端设有内六 角形孔，另一端设有圆柱孔。
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